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When to Plant Zucchini in White Owl, South Dakota (57792)

Location

White Owl, South Dakota

ZIP Code

57792

USDA Zone

4b

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, April 7, 2026
Transplant Outdoors Tuesday, May 19, 2026

Pro Tip: Start Zucchini seeds indoors 4 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Cucurbita pepo
Days to Maturity 50 days
Mature Height 24-36"
Spread 48"
Type Bush
Fruit Size Medium (6-8 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

36" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

🤝 Good Companions

CornBeansNasturtiumMarigold

⚠️ Avoid Planting Near

Potato

Other Plants for White Owl

Growing Zucchini in Zone 4b

Zucchini (Cucurbita pepo) is a popular garden vegetable. In White Owl, South Dakota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, April 7, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Zucchini seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.